http://goo.gl/3w1fj

Social Bookmarking Tools
Delicious	http://delicious.com/	Save all your bookmarks online, share them with other people, and see what other people are bookmarking. Search and tagging tools to help you keep track of your entire bookmark collection and find new bookmarks.
Diigo	http://www.diigo.com/	Save your favourite websites and tag pages. Join groups and invite friends to be part of your group. Annotate webpages and read annotations of others.
Portaportal	http://www.portaportal.com/	is a web based bookmarking utility that lets you store links to your favorite websites online

Google Bookmarks	https://www.google.com/bookmarks/	Use the Google Toolbar for quick access to your bookmarks and to easily create more.

Xmarks	http://www.xmarks.com/	Bookmark Sync and Search
Mister Wong	http://Mister-wong.com	is a leading social bookmarking service with users globally.